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SubjectRe: [PATCH] drm/tilcdc: add const to of_device_id
Please fix the bellow error and I will review and merge this. But in 
future, please at least compile test you changes with relevant
configurations or alldefconfig before sending them to upstream!

Best regards,
Jyri

On 2021-12-15 22:35, kernel test robot wrote:
> Hi Xiang,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on drm/drm-next]
> [also build test ERROR on v5.16-rc5 next-20211214]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
>
> url:
> https://github.com/0day-ci/linux/commits/Xiang-wangx/drm-tilcdc-add-const-to-of_device_id/20211216-002326
> base: git://anongit.freedesktop.org/drm/drm drm-next
> config: arm-randconfig-c002-20211214
> (https://download.01.org/0day-ci/archive/20211216/202112160411.sNrSELAY-lkp@intel.com/config)
> compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
> reproduce (this is a W=1 build):
> wget
> https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross
> -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> #
> https://github.com/0day-ci/linux/commit/5698eadb76d94a4fc5298f5bea88b839399ddef0
> git remote add linux-review https://github.com/0day-ci/linux
> git fetch --no-tags linux-review
> Xiang-wangx/drm-tilcdc-add-const-to-of_device_id/20211216-002326
> git checkout 5698eadb76d94a4fc5298f5bea88b839399ddef0
> # save the config file to linux build tree
> mkdir build_dir
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0
> make.cross O=build_dir ARCH=arm SHELL=/bin/bash
> drivers/gpu/drm/tilcdc/
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
>>> drivers/gpu/drm/tilcdc/tilcdc_drv.c:590:34: error: conflicting types
>>> for 'tilcdc_of_match'; have 'const struct of_device_id[]'
> 590 | static const struct of_device_id tilcdc_of_match[] = {
> | ^~~~~~~~~~~~~~~
> drivers/gpu/drm/tilcdc/tilcdc_drv.c:63:28: note: previous
> declaration of 'tilcdc_of_match' with type 'struct of_device_id[]'
> 63 | static struct of_device_id tilcdc_of_match[];
> | ^~~~~~~~~~~~~~~
> drivers/gpu/drm/tilcdc/tilcdc_drv.c:63:28: error: array
> 'tilcdc_of_match' assumed to have one element [-Werror]
>>> drivers/gpu/drm/tilcdc/tilcdc_drv.c:63:28: error: 'tilcdc_of_match'
>>> defined but not used [-Werror=unused-variable]
> cc1: all warnings being treated as errors
>
>
> vim +590 drivers/gpu/drm/tilcdc/tilcdc_drv.c
>
> 589
> > 590 static const struct of_device_id tilcdc_of_match[] = {
> 591 { .compatible = "ti,am33xx-tilcdc", },
> 592 { .compatible = "ti,da850-tilcdc", },
> 593 { },
> 594 };
> 595 MODULE_DEVICE_TABLE(of, tilcdc_of_match);
> 596
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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